78893820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{10193}}^1$

素因数の和:10251

約数の個数: 72

約数和(自身を含む): 244900656

約数和(自身を除く): 166006836

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 129, 172, 180, 215, 258, 387, 430, 516, 645, 774, 860, 1290, 1548, 1935, 2580, 3870, 7740, 10193, 20386, 30579, 40772, 50965, 61158, 91737, 101930, 122316, 152895, 183474, 203860, 305790, 366948, 438299, 458685, 611580, 876598, 917370, 1314897, 1753196, 1834740, 2191495, 2629794, 3944691, 4382990, 5259588, 6574485, 7889382, 8765980, 13148970, 15778764, 19723455, 26297940, 39446910, 78893820]

約数ペア:

[(1, 78893820), (2, 39446910), (3, 26297940), (4, 19723455), (5, 15778764), (6, 13148970), (9, 8765980), (10, 7889382), (12, 6574485), (15, 5259588), (18, 4382990), (20, 3944691), (30, 2629794), (36, 2191495), (43, 1834740), (45, 1753196), (60, 1314897), (86, 917370), (90, 876598), (129, 611580), (172, 458685), (180, 438299), (215, 366948), (258, 305790), (387, 203860), (430, 183474), (516, 152895), (645, 122316), (774, 101930), (860, 91737), (1290, 61158), (1548, 50965), (1935, 40772), (2580, 30579), (3870, 20386), (7740, 10193)]